Replacement Windows

Replacement Window Installation Contractor San Bernardino, Ontario, Fontana

replacement windows in California

Design Windows and Doors Inc. is an A+ BBB Rated, fully licensed and award winning contractor that excels in window and door installation work.

At Design Windows and Doors Inc. we offer many high quality and affordable replacement window styles and options that pays for itself through durability & massive energy savings. Make sure to view our very satisfied customers in your local neighborhood by viewing our before and after pictures and customer reviews below.

Get a FREE estimate today on a replacement window installation or any other service by clicking the FREE estimate button below.

Customer Reviews

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By Barbara R. from Palm Desert, CA
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By RICK T. from Cathedral City, CA
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By Peter G. from BARSTOW, CA

Choose your window frame material

Whether you want to replace your existing windows with the same frame material or you're interested in a different material, we offer a wide selection of options and materials to make it easy to match your home's design and your other windows and doors.

  • Vinyl windows: Vinyl windows offer excellent energy efficiency and durability at an affordable price. Learn more about our vinyl replacement windows and installation.
  • Wood windows: Interior wood frames combined with exterior aluminum provides timeless beauty, durability and excellent insulative value. We can replace your current windows with beautiful, energy-efficient wood windows that are made to last.
  • Fiberglass windows: Fiberglass windows are extremely energy efficient and can provide the look of painted wood in a high-performance design. Browse our fiberglass windows and installation services.

There are a wide selection of window styles to choose from:

  • Double-hung windows
  • Casement windows
  • Bay & bow windows
  • Sliding windows
  • Awning windows
  • Picture windows

New windows offer many benefits for you and your home

  • Fewer drafts: Single-pane windows are often drafty and they are the least energy efficient. New windows are built better to reduce drafts and greatly improve the comfort of your home year round.
  • Less maintenance: Old painted windows require regular maintenance. New windows made from vinyl or a composite are not only durable, they're also maintenance-free, never need to be painted and are easier to clean.
  • Reduced noise: New windows can not only reduce the amount of sound entering your home from outside, but they can also reduce the amount of noise that comes out of your house.
  • Energy savings: Replacing your old, drafty single-pane windows with ENERGY STAR® qualified energy-efficient windows can save you as much as $500 annually on heating and cooling costs.
  • Added security: Most new windows are tested for forced entry and are designed with multiple locks to improve the safety.
  • Enhanced curb appeal: New windows can improve your home's appearance - inside and out. There are many window styles and trim styles available to compliment the architecture of your home and your personal style. If you're thinking about putting your home on the market, new windows are a good selling point.

Get your free estimate for hassle-free window replacement

Replacement windows can give your home the look and comfort you need and provide potential savings on your energy bills. Proper window replacement can also drastically increase the value of your home. Get started with a free estimate!

Design Windows and Doors Inc. is the trusted contractor for window and door solutions in Ontario, San Bernardino, Fontana, Apple Valley, Redlands, Highland, Colton, Yucaipa, Montclair, Bloomington and many surrounding areas.

our service area

We serve the following areas

Our Locations:

Design Windows and Doors Inc.
504 S Mountain Ave
Ontario, CA 91762
1-909-639-3099
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